I'm sure money has something to do with it. Also, marketing for him, his teams and sponsors. His team, owner and sponsors for the non wing get 4 days in front of the non wing fans. Then his team, owner and sponsors get 4 days in front of the wing crowd. There is no debating ISW is probably the biggest event for non wing racing so his team wants him out there. Kings Royal is also one of the biggest events for wing racing. When you're driving for multiple people you have to compromise. It's not just Bryan saying KR is bigger I'm blowing off ISW.